Dear Jakob,
1) I will try the Python script for generating demand.
2) You're right, I've missed correcting a preceding connection. That
solved the problem.
Thanks
Myriam
Am 14.06.2017 um 20:01 schrieb Jakob Erdmann:
Hello,
1) define source and sink detectors at the border of your simulation
area and hand-tune the flow values at these spots to match your
expectations. By default vehicles depart at the start of an edge and
arrive at the end their final edge so nothing will 'pop up'. Note,
that dfrouter may fail to deliver good results in city networks. In
that case you can use flowrouter.py instead:
http://sumo.dlr.de/wiki/Tools/Detector#flowrouter.py
2) I'm not sure I've understood what you mean. If you see vehicles
that are stopped because they are on the wrong lane, this should only
happen if the previous edge in the route only connects to these
"wrong" lanes and the edge is too jammed for lane-changing. Check the
preceding connections (or send a screenshot of the situation with
visualization option 'show lane-to-lane connections' enabled).
regards,
Jakob
2017-06-14 15:46 GMT+02:00 Myriam Guedey <[email protected]
<mailto:[email protected]>>:
Dear all,
just starting to get to know to Sumo, I have modelled the network
for a quite simple intersection. I generated the demand via
DFROUTER on the basis of countings at that intersection. So far,
two questions came up:
First, what would be the suggested way to generate a realistic
demand for a very small area in a city, where I have countings for
one hotspot (the intersection) and have to care also about the
visualization of the simulation (e.g. avoiding vehicles popping
out of calibrators in the middle of a street).
Second, I've observed that some vehicles turn left at the
intersection where driving on a lane which only allows straight or
right movement. Is there a way to prevent this behaviour? I
generated the demand with parameter departlane="best".
Thanks in advance
Myriam
--
Dipl.-Des. Myriam Guedey
High Performance Computing Center Stuttgart (HLRS)
University of Stuttgart
Nobelstraße 19
70569 Stuttgart, Germany
phone: +49 711 685-87297 <tel:%2B49%20711%20685-87297>
e-mail:[email protected] <mailto:e-mail%[email protected]>
https://www.hlrs.de
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Dipl.-Des. Myriam Guedey
High Performance Computing Center Stuttgart (HLRS)
University of Stuttgart
Nobelstraße 19
70569 Stuttgart, Germany
phone: +49 711 685-87297
e-mail: [email protected]
https://www.hlrs.de
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